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Problem: Design a random number generator that is computationally indistinguishable from a truly random number generator. Solution (in Python): note this solution uses the Miller-Rabin primality tester, though any primality test will do. See the github repository for the referenced implementation. from randomized.primality import probablyPrime import random def goodPrime(p): return p % 4 == 3 and probablyPrime(p, accuracy=100) def findGoodP..
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Problem: Design a random number generator that is computationally indistinguishable from a truly random number generator. Solution (in Python): note this solution uses the Miller-Rabin primality tester, though any primality test will do. See the github repository for the referenced implementation. from randomized.primality import probablyPrime import random def goodPrime(p): return p % 4 == 3 and probablyPrime(p, accuracy=100) def findGoodP..
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Problem: Design a random number generator that is computationally indistinguishable from a truly random number generator. Solution (in Python): note this solution uses the Miller-Rabin primality tester, though any primality test will do. See the github repository for the referenced implementation. from randomized.primality import probablyPrime import random def goodPrime(p): return p % 4 == 3 and probablyPrime(p, accuracy=100) def findGoodP..
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I wanted to try Android for a couple of weeks, I like staying on top of technology, gadgets and making sure I never become a blind ‘zealot’ for any platform or brand. The OnePlus 3 I did a lot of research and decided to try the “Oneplus 3” as it was good bang-for-buck, ran the latest software had plenty of grunt with the latest 8 core, high clock speed Qualcomm processor coupled with 6GB of DDR4 - the specs really are very impressive, esp..
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I wanted to try Android for a couple of weeks, I like staying on top of technology, gadgets and making sure I never become a blind ‘zealot’ for any platform or brand. The OnePlus 3 I did a lot of research and decided to try the “Oneplus 3” as it was good bang-for-buck, ran the latest software had plenty of grunt with the latest 8 core, high clock speed Qualcomm processor coupled with 6GB of DDR4 - the specs really are very impressive, esp..
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I wanted to try Android for a couple of weeks, I like staying on top of technology, gadgets and making sure I never become a blind ‘zealot’ for any platform or brand. The OnePlus 3 I did a lot of research and decided to try the “Oneplus 3” as it was good bang-for-buck, ran the latest software had plenty of grunt with the latest 8 core, high clock speed Qualcomm processor coupled with 6GB of DDR4 - the specs really are very impressive, esp..
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I wanted to try Android for a couple of weeks, I like staying on top of technology, gadgets and making sure I never become a blind ‘zealot’ for any platform or brand. The OnePlus 3 I did a lot of research and decided to try the “Oneplus 3” as it was good bang-for-buck, ran the latest software had plenty of grunt with the latest 8 core, high clock speed Qualcomm processor coupled with 6GB of DDR4 - the specs really are very impressive, esp..
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I wanted to try Android for a couple of weeks, I like staying on top of technology, gadgets and making sure I never become a blind ‘zealot’ for any platform or brand. The OnePlus 3 I did a lot of research and decided to try the “Oneplus 3” as it was good bang-for-buck, ran the latest software had plenty of grunt with the latest 8 core, high clock speed Qualcomm processor coupled with 6GB of DDR4 - the specs really are very impressive, esp..
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Wish media being the biggest performance bottleneck on the web, let's turn our focus to design. This post outlines 3 easy wins for more performant UI's.
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We had a couple of posts in the past about the new GUI builder but we didn’t have a “how to” guide yet. In this post we’ll try to go step by step over the process of using the GUI builder and understanding its inner workings. We’ll also try to clarify conclusively the role the new GUI builder plays in the toolchain and the migrations process from the old GUI builder.
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Link to album It had been a bucketlist item for some time to hike a well known route here in Iceland called Laugavegur. And so soon after coming back home from Canada, a friend offered up the possibility for finally checking it off the list. Its a easy walk, usually done in 2-3 days (a ultra marathon is held every year where the record is just over 4 hours!), and takes you through some fairly varied range of landscapes (on a Icelandic scale..
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Link to album It had been a bucketlist item for some time to hike a well known route here in Iceland called Laugavegur. And so soon after coming back home from Canada, a friend offered up the possibility for finally checking it off the list. Its a easy walk, usually done in 2-3 days (a ultra marathon is held every year where the record is just over 4 hours!), and takes you through some fairly varied range of landscapes (on a Icelandic scale..
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As we mentioned recently we have a new idea on how peering can be improved and we just deployed this into our build servers in the weekend update. This is highly experimental and might crash instantly which is why we hope you give it a test drive and see how it feels before we switch it on by default. To recap: Peers (or heavyweight components) are OS native widgets. E.g. when you use the BrowserComponent we effectively load the O..
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It’s been a while since I last lambasted any of the ideals that keep the American Economic Engine™ chuggin’ along. I’m talkin’ about things like “Exceptionalism” , “Overconsumption” , “Materialism” , and any other ‑isms and ‑umptions you want to throw into the mix. Given my relative reticence on the topic, I thought it was high time I took some pot shots at Uncle Sam. Subsequently, I’ve spent a long time staring at this blank..
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It’s been a while since I last lambasted any of the ideals that keep the American Economic Engine™ chuggin’ along. I’m talkin’ about things like “Exceptionalism” , “Overconsumption” , “Materialism” , and any other ‑isms and ‑umptions you want to throw into the mix. Given my relative reticence on the topic, I thought it was high time I took some pot shots at Uncle Sam. Subsequently, I’ve spent a long time staring at this blank..
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There are a couple of sorting algorithms in C++ from std::sort to lamdbas, each tailored to different use cases. As a programmer, you may or may not want to delve into the depths of sort algorithms. That’s a domain left for experts. Luckily, it’s quite easy to get started with sorting data. Contents 1 Sorting methods in C++ 2 Sorting "Hello World!" 3 Sorting structs and classes 3.1 Member operator < overload ....
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Creating Snyk’s GitHub integration, released in late June, helped clarify the different steps to truly address vulnerable dependencies, both immediately and in a continuous fashion. These steps are consistent across packaging systems, from npm to Maven to Chef cookbooks. This post explains each step, why they are needed, and how to apply them with Snyk.
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This has been a remarkably busy week for us trying to get the final bugs and features ready for the 3.5 code freeze and the work we are doing on peer components etc. All the while the summer vacation is on its way and it’s already pretty hard to get any work done. This week’s release doesn’t contain any major changes, it’s mostly a bug fix release update.
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Best practices for efficiently checking iOS versions in code while supporting multiple deployment targets.
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I'm at the borderline of obsessed with Elixir and Phoenix lately. I've avoided writing about it so far because it feels a bit too good to be true. In an effort to test my own enthusiam, I decided to rebuild this site with them in the most ridiculous way possible just to try to test some limits. Because I already have an unhealthy obsession with PostgreSQL, we're getting crazy with it too. DISCLAIMER: This is not a "how to build a blog" arti..
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Prompted by thinking about hidden environment costs I had the intuition that a carbon tax could fix it. The premise was that, if we make carbon-producing activities more expensive, the market will regulate these down, giving a fair chance to “greener” options to replace them. Then I started reading about what carbon tax is and I am no longer so sure. I haven’t turned against it, but I’m realizing that the issue is a lot more complicated t....
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I'm at the borderline of obsessed with Elixir and Phoenix lately. I've avoided writing about it so far because it feels a bit too good to be true. In an effort to test my own enthusiam, I decided to rebuild this site with them in the most ridiculous way possible just to try to test some limits. Because I already have an unhealthy obsession with PostgreSQL, we're getting crazy with it too. DISCLAIMER: This is not a "how to build a blog" arti..
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After joining the Bahmni team, it was important to me to visit the hospitals that had taken on our product, first hand. My goal was to not only understand hospital operations and witness the challenges that staff dealt with on a everyday basis, but to also share this information with my team members, many of whom did not have the opportunity to speak to our clients themselves.
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We are preparing for the 3.5 code freeze which should go into effect on July 26th. We are still not sure about the full set of features that will make it into 3.5 as the release is pretty close by now. However, we already have some cool tentative plans for 3.6 and beyond that we are already sketching out. Unless there are major regressions we’ll deliver 3.5 on August 2nd and 3.6 on December 5th. At this time version 3.7 is planned f..
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If you’ve programmed in Java for any amount of time, you’ll inevitably come across the terms bean, JavaBean, and POJO. What are they and how do they differ? Let’s start with some definitions:
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In this post we’ll get a strong taste for zero knowledge proofs by exploring the graph isomorphism problem in detail. In the next post, we’ll see how this relates to cryptography and the bigger picture. The goal of this post is to get a strong understanding of the terms “prover,” “verifier,” and “simulator,” and “zero knowledge” in the context of a specific zero-knowledge proof. Then next time we’ll see how the same concepts (though not the..
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In this post we’ll get a strong taste for zero knowledge proofs by exploring the graph isomorphism problem in detail. In the next post, we’ll see how this relates to cryptography and the bigger picture. The goal of this post is to get a strong understanding of the terms “prover,” “verifier,” and “simulator,” and “zero knowledge” in the context of a specific zero-knowledge proof. Then next time we’ll see how the same concepts (though not the..
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In this post we’ll get a strong taste for zero knowledge proofs by exploring the graph isomorphism problem in detail. In the next post, we’ll see how this relates to cryptography and the bigger picture. The goal of this post is to get a strong understanding of the terms “prover,” “verifier,” and “simulator,” and “zero knowledge” in the context of a specific zero-knowledge proof. Then next time we’ll see how the same concepts (though not the..
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There is a terrific article in last week’s Sunday Times outlining Netflix’s role in changing the way we consume media. The central question of the piece is whether Netflix will dominate the world it has created. Nimble competitors like Amazon, Hulu, and the major studios (once threatened by streaming) are each leveraging unique assets to disrupt legacy media models. From the article, we at AdRoll gleaned a broader framework for how pr....
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Over the last 100 years we have dialed into radio stations at home, on the road, or in the office to access a curated mix of top hits delivered to us by our favorite DJ. With more and more of our daily activities taking place online, we find our source of music now comes from a mix of our mobile phones, our desktop computers and the radio - and is available to us whenever we need it. The amount of music available today is endless. The music..
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Over the last 100 years we have dialed into radio stations at home, on the road, or in the office to access a curated mix of top hits delivered to us by our favorite DJ. With more and more of our daily activities taking place online, we find our source of music now comes from a mix of our mobile phones, our desktop computers and the radio - and is available to us whenever we need it. The amount of music available today is endless. The music..
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I blogged about peer components all the way back in 2014 trying to explain basic facts about their limitations/behaviors. A lot of those limitations are inherent but over the past year or so we’ve been thinking more and more about the z-order limitation. As part of that train of thought I filed this issue with a few suggestions about working around some of those limitations. I think these approaches would work really well on..
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TLDR: Hi WOW Air. Stop not providing free safe drinking water in airplanes. This is a cruel practice, driven by greed. You are endangering your passengers. I endorse your frugal policies to charge for extra baggage and food, but not providing safe water is a crime in my opinion. Right now I am in an airplane of WOW Air. I’ve had a pleasant flight up until 20 minutes ago when I woke up from a nap. I get dehydrated quickly, so I finished th....
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note: This is a follow up post from 2015-07-21-rcd-stonith A Linux Cluster Base STONITH provider for use with modern Pacemaker clusters This has since been accepted and merged into Fedora’s code base and as such will make it’s way to RHEL. Source Code: Github Diptrace CAD Design: Github I have open sourced the CAD circuit design and made this available within this repo under CAD Design and Schematics Related RedHat Bug: http..
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note: This is a follow up post from 2015-07-21-rcd-stonith A Linux Cluster Base STONITH provider for use with modern Pacemaker clusters This has since been accepted and merged into Fedora’s code base and as such will make it’s way to RHEL. Source Code: Github Diptrace CAD Design: Github I have open sourced the CAD circuit design and made this available within this repo under CAD Design and Schematics Related RedHat Bug: http..
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note: This is a follow up post from 2015-07-21-rcd-stonith A Linux Cluster Base STONITH provider for use with modern Pacemaker clusters This has since been accepted and merged into Fedora’s code base and as such will make it’s way to RHEL. Source Code: Github Diptrace CAD Design: Github I have open sourced the CAD circuit design and made this available within this repo under CAD Design and Schematics Related RedHat Bug: http..
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note: This is a follow up post from 2015-07-21-rcd-stonith A Linux Cluster Base STONITH provider for use with modern Pacemaker clusters This has since been accepted and merged into Fedora’s code base and as such will make it’s way to RHEL. Source Code: Github Diptrace CAD Design: Github I have open sourced the CAD circuit design and made this available within this repo under CAD Design and Schematics Related RedHat Bug: http..
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note: This is a follow up post from 2015-07-21-rcd-stonith A Linux Cluster Base STONITH provider for use with modern Pacemaker clusters This has since been accepted and merged into Fedora’s code base and as such will make it’s way to RHEL. Source Code: Github Diptrace CAD Design: Github I have open sourced the CAD circuit design and made this available within this repo under CAD Design and Schematics Related RedHat Bug: http..
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